Grain-door construction



Jan. 27, 1931.

D. W.--'DOWNHOUR GRAIN DOOR CONSTRUCTION Filed Feb. 27, 1929 2 Sheets-Sheet l v Jan. 27, 1931. p. WLDOWNHOUR 0, 3

GRAIN DOOR CONSTRUCTION Filed FebQz'i, 1929 2 Sheets-Sheet 2 UNITED STATES arser OFFI=I EI I I i V 7 DAVID w. nownnoun, or onto. I it 7 i GRAIN-DOOR iconsrnucrion application .filed February 27, 1929. Serial '1 To 343,13.7.

This invention relates to improvements in 'doorstruct ure is composed of a plurality of car doors of the type used in connection With independent sections 5' formed flOID Wide railroad cars for holding grain and similar single boards 6 or of a'pluralityjofnarrow material. I i board sections ,7, as disclosed in F igure 6 of a 5 One of the objects of the invention is to thedrawing. v 1 v provide a door of such construction that the The door sections 5 forming the door strucloss of grainis averted during the transporture are of lengths greater than the Width of tat-ion thereof from storage to its destination. the door opening 2 and are so placed on the.

.Another object of theinvent'ion lies in'the inside of the car that the ends of said sec 1o provision of a door'ot this character which tions abut against the posts 4. Thus the '60 r is made up of sections interfitting one another smooth side of; the door is on the inside or sothat the same may be quickly and-easily towards the grain inthe car. Each section is assembled and held in place without the use provided with an upright 8 at each end thereof spaced fittings such as guides, angles, bolts of which are of a height equal to-the width or other devices. l of the board or boards forming the door sec- 65" The invention further contemplates the tions 5', Also secured to each section andpoprovisionof a grain door construction which sitioned between the uprights 8 is a strip 9 is simple and novel in its construction, strong, which is arranged to extend adistance above durable, cheap and economical to manufacthe door section. proper and adapted to form ture. v a r a flange overlapping the lower portion of 70 \Vith these and other objects in view the the nearest upper door section and to also be invent-ion consists in certain otherfeatures positioned between the uprights'8of the'said of construction, combination andyarrangeuppersection. 'Thusthe sections are inter ment of parts to be hereinafter fully de locked and longitudinal movement between scribed, illustrated in 'the' accompanying the same is prevented. 4 Z 75 l drawings and specifically pointed out in the To avoid shifting of the door ina longiappended claim. i tudinal direction with respect to the door Fora furtherunderstanding of the 'invenopening 2 the lower section 5 of the door may tion reference is to be had to the following be nailed in place as indicated at 10. This description and the accompanying drawing, is the only fastening means necessary to hold so wherein: the door in place due to the interlocking'of Figure 1 is an elevation of a door structure the sectionsas previously described and also taken from a viewpoint Within the car body, due to the pressure exerted by the grain or I Figure 2 is'a vertical sectional view taken other material in the car.

onthe line 2--2 of Figure 1, In the modified :Eorm disclosed in Figure 6 Figure 3 is a horizontal sectional view additional strips 11 may 'be -nailed in place taken on the line 3-3 of Figure 1, to cover the meeting edges of the boards 7 to Figure 4 is a side elevation taken from a prevent grain from leakingand-spilling out viewpoint outside of the car body showing ith'erethrough. 7 ii) the door structure in its operating position, From the foregoing description will be 9.0 7. Figure 5 is a perspective view showing a seen that there is provideda grain door strucpair of door sections, 1 v ture which is very simple'in itsconstruction 'Figure 6 is a slightly modified form of a andone that can be very quickly and easily door section. V --asse1'nbledto close the door opening of: the Referring more particularly to the draw; .car and also capable of being readilytaken ings, the numeral 1 designates the side wall apart and removed so asnot to obstruct the of the car body provided with'a-dooropening door opening in any way during other uses 2 located asusual above the floor 3.- QLocated of the ear. at each sideof the door opening 2 are the Whatis'claimed is: $50 door postst of customary construction. The In a car door comprising a plurality of ice separable sections arranged one above the other-to cover a door opening, each of the sections being formed With 'an upright at each. end thereof adapted to butt against the inner marginal side edges of the door opening, a strip provided on one of the 1ongitudinal edges of each of said sections, saidstrip extending a distance above said edge and adapted to overlap the lower edge portion of the upper adjacent sectiona'nd of such length as to fit in between the uprights of the upper adjacent section the strips forlning joints between the sections and serving to hold the sections in anoperative alignment with respect to each other.

a In testimony whereof I aflix my signature.

DAVID W. DOWNHOUR. 

